These cue tips are the finest Oak Leather available anywhere. Preferred by professionals. Le Professional, also called Le Pro, tips are one of the most popular cue tips available wordwide. They are crafted vegetable-tanned oak leather and feature a special coating which seals and preserves the leather until the cue is ready to play. Le Pros, made in the USA by Tweeten Fibre Inc., are "French style" cue tips.